References
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- M. J. Begley, D. W. Knight and G. Pattenden, Tetrahedron Lett., 1976, 131; D. W. Knight and G. Pattenden, J. Chem. Soc., Chem. Commun., 1976, 635.
- N. Ojima, K. Ogura and S. Seto, J. Chem. Soc. Chem. Commun., 1975, 717; N. Ojima, I. Takahashi, K. Ogura and S. Seto, Tetrahedron Lett., 1976, 1013; idem, Biochemistry, 17, 2696 (1978).
- J. B. Stothers, “Carbon-13 NMR Spectroscopy,” Academic Press, New York, N. Y., 1972; G. C Levy and G. L. Nelson, “Carbon-13 Nuclear Magnetic Resonance for Organic Chemists,” Wiley Interscience, New York, N. Y., 1972.
- J. A. Gudgeon, J. S. E. Holker and T. J. Simpson J. Chem. Soc., Chem. Commun., 1974, 636.